JPH0614475B2 - Connection structure of bus bar and insulation displacement terminal for branch in electric junction box - Google Patents
Connection structure of bus bar and insulation displacement terminal for branch in electric junction boxInfo
- Publication number
- JPH0614475B2 JPH0614475B2 JP1145302A JP14530289A JPH0614475B2 JP H0614475 B2 JPH0614475 B2 JP H0614475B2 JP 1145302 A JP1145302 A JP 1145302A JP 14530289 A JP14530289 A JP 14530289A JP H0614475 B2 JPH0614475 B2 JP H0614475B2
- Authority
- JP
- Japan
- Prior art keywords
- press
- branch
- bus bar
- terminal
- pressure contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/112—Resilient sockets forked sockets having two legs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
- H01R27/02—Coupling parts adapted for co-operation with two or more dissimilar counterparts for simultaneous co-operation with two or more dissimilar counterparts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2458—Electrical interconnections between terminal blocks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/026—Multiple connections subassemblies
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/107—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by filling grooves in the support with conductive material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/202—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using self-supporting metal foil pattern
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Or Junction Boxes (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、ワイヤーハーネスの相互接続などに用いられ
る電気接続箱において、その内部回路を構成するブスバ
ーと分岐用圧接端子の接続構造の改良に関する。Description: TECHNICAL FIELD The present invention relates to an improvement in a connection structure between a bus bar forming an internal circuit and a branch pressure contact terminal in an electric connection box used for interconnection of wire harnesses and the like. .
車輛の電気配線に使用するヒューズボックスや分岐接続
箱などの電気接続箱は、ワイヤーハーネスに含まれる分
岐接続を吸収し、その配線形態を簡素化するため、分岐
回路を集中的に形成した構造をもつものが多い。Electric connection boxes such as fuse boxes and branch connection boxes used for electric wiring of vehicles absorb the branch connections contained in the wire harness and simplify the wiring form. I have many things.
分岐回路の形成は、内部回路を構成するブスバーから直
接に分岐タブを起立連成する方法と、一側に分岐タブを
形成し他側にＵ字状スロットを有する圧接部を形成した
分岐用圧接端子を用いて、該スロットに電線やブスバー
を圧入接続する方法がある。The branch circuit is formed by a method in which a branch tab is erected and coupled directly from a bus bar that constitutes an internal circuit, and a branch pressure welding in which a branch tab is formed on one side and a pressure contact portion having a U-shaped slot is formed on the other side. There is a method of press-fitting and connecting an electric wire or a bus bar to the slot using a terminal.
第１０図および第１１図はかかる分岐回路形成について
の公知技術を示すものである（特開昭６１−４５５７５
号公報）。10 and 11 show a known technique for forming such a branch circuit (Japanese Patent Laid-Open No. 61-45575).
Issue).
分岐用圧接端子ａは、第１０図のように、一側に単数ま
たは複数の分岐タブｂを有し、他側にＵ字状スロットｄ
を設けた圧接部ｃを有する構造を有する。As shown in FIG. 10, the branch pressure contact terminal a has a single or a plurality of branch tabs b on one side and a U-shaped slot d on the other side.
It has a structure having a pressure contact portion c provided with.
これらの圧接端子ａの分岐タブｂの基端部を、第１１図
のように、上記ケースｅに形成されたハウジングｇにお
ける底部の挿通孔ｈに貫通圧入することにより固定す
る。そして、例えばワイヤーハーネスから引き出した接
続電線ｉ群を上部ケースｅと下部ケースｆに並列収容し
て挟着し、所望の接続電線ｉをＵ字状スロットｄに圧入
接続することにより、分岐回路が集中的に形成される。As shown in FIG. 11, the base end portions of the branch tabs b of the press contact terminals a are fixed by being press-fitted into the insertion holes h at the bottom of the housing g formed in the case e. Then, for example, a group of connection electric wires i drawn from a wire harness are accommodated in parallel in an upper case e and a lower case f and sandwiched, and a desired connection electric wire i is press-fitted and connected to a U-shaped slot d, whereby a branch circuit is formed. Formed intensively.
また、第１２図は圧接端子ａ′とブスバーｊとどの分岐
接続を示す（特開昭６２−１３１４８３号公報）。FIG. 12 shows which branch connection is made between the pressure contact terminal a'and the bus bar j (Japanese Patent Laid-Open No. 62-131483).
圧接端子ａ′は、相対向する一対の圧接部ｃ′をもち、
そのＵ字状スロットｄ′の開口部Ｏとブスバーｊの中心
線に多少のブレ（位置ズレ）が存在しても結合を可能と
するために、開口部Ｏの先端はテーパー状Ｏ′に拡げら
れて挿入ガイドが形成されている。The pressure contact terminal a'has a pair of pressure contact portions c'opposed to each other,
The opening O of the U-shaped slot d ′ and the center line of the bus bar j are connected to each other even if there is some deviation (positional deviation) in the center line of the bus bar j. And an insertion guide is formed.
第１１図に示す従来技術では、圧接端子ａを挿通孔ｈに
圧入固定する構造であるが、ハウジングｇに対する外部
コネクタの挿着時などに、分岐タブｂがコジられると、
その力が直接電線ｉとの接触部に加えられるおそれがあ
る。また、圧接端子ａは符号Ｐで示される太線部分で圧
入固定されているが、圧接端子ａの全長Ｌが長くなる
と、これに従って上部ケースｅの樹脂層の厚みを大にす
る必要があり、該カバー自体も大型化する。更に、圧接
端子ａには、電流値に見合った端子巾ｌを確保する必要
があるから、上記圧入固定用の樹脂厚に加えて電流確保
のための巾ｌが必要となり、益々上部ケースｅが大型化
する。In the prior art shown in FIG. 11, the press contact terminal a is press-fitted and fixed in the insertion hole h, but when the branch tab b is bent when the external connector is inserted into the housing g,
The force may be directly applied to the contact portion with the electric wire i. Further, the press-contact terminal a is press-fitted and fixed by the thick line portion indicated by the symbol P, but if the total length L of the press-contact terminal a becomes longer, it is necessary to increase the thickness of the resin layer of the upper case e accordingly. The cover itself also becomes larger. Further, since it is necessary to secure the terminal width l corresponding to the current value in the press contact terminal a, the width l for securing the current is required in addition to the resin thickness for the press-fitting fixation, and the upper case e is more and more Upsizing.
また、第１２図に示す分岐接続構造では、圧接端子ａ′
自体にブスバーｊに対するガイド（テーパー状Ｏ′）を
兼用させているから、ブスバーｊの角度や位置ズレの矯
正反力が直接に作用し、最悪の場合には圧接部ｃ′の弾
性域内での圧接ができない場合が生じる。Further, in the branch connection structure shown in FIG. 12, the pressure contact terminal a '
Since it also serves as a guide (tapered O ') for the bus bar j, the correction reaction force for correcting the angle and position deviation of the bus bar j directly acts, and in the worst case, it is within the elastic range of the pressure contact portion c'. There may be a case where pressure contact cannot be made.
本発明は上記した点に着目してなされたものであり、分
岐用圧接端子とブスバーの圧接に際し、位置ズレなどの
寸法公差を吸収して圧接部におけるブスバーとの接圧を
確保すると共に、圧接端子のタブ部にかかる外力が圧接
部に作用せず安定な接続状態が得られ、しかも圧接端子
自体の寸法を小さくできる接続構造を提供することを課
題とする。The present invention has been made in view of the above-mentioned points, and when press contacting the press contact terminal for branching and the bus bar, the dimensional tolerance such as a positional deviation is absorbed to secure the contact pressure with the bus bar at the press contact portion, and the press contact is performed. An object of the present invention is to provide a connection structure in which an external force applied to a tab portion of a terminal does not act on a pressure contact portion, a stable connection state can be obtained, and the size of the pressure contact terminal itself can be reduced.
前記の課題を解説するため、本発明の電気接続箱におけ
るブスバーと分岐用圧接端子の接続構造は、請求項(1)
に記載のように、上部ケースと下部ケースに回路を構成
する複数のブスバーを収容すると共に、両ケースの少な
くとも一方に底部にタブ挿通孔を有するハウジングを設
け、前記タブ挿通孔に分岐用圧接端子の一側に設けた分
岐タブを貫挿して前記ハウジング内に突出させることに
よりコネクタ挿着部を形成し、前記圧接端子の他側に設
けた圧接部のＵ字状スロットに所望の前記ブスバーを圧
入接続する構造をもつ電気接続箱において、 前記分岐用圧接端子が、基板部と、該基板部の一側縁か
ら相対向して突設されたＵ字状スロットをもつ圧接部
と、他側縁から突設された単数または複数の分岐タブと
で構成され、前記ハウジングの底部の内面には前記基板
部に対する受座が形成され、前記受座と対向するケース
の内面には押圧突起が形成されており、 前記分岐用圧接端子とブスバーとの圧接接続部分が前記
受座と押圧突起とにより挟持固定されている構成を採用
した。In order to explain the above-mentioned problems, the connection structure of the busbar and the press-connecting terminal for branching in the electric connection box of the present invention is set forth in claim (1).
As described above, the upper case and the lower case accommodate a plurality of bus bars that form a circuit, and at least one of both cases is provided with a housing having a tab insertion hole at the bottom, and the press-fit terminal for branching is provided in the tab insertion hole. A connector tab is formed by inserting a branch tab provided on one side of the press-fit terminal into the housing to project the desired bus bar into a U-shaped slot of the press-contact section provided on the other side of the press-contact terminal. In an electrical connection box having a structure for press-fit connection, the branch pressure contact terminal includes a base plate part, a press contact part having U-shaped slots projecting from one side edge of the base plate part, and the other side. The housing includes a single or a plurality of branch tabs protruding from the edge, a receiving seat for the base plate is formed on the inner surface of the bottom of the housing, and a pressing projection is formed on the inner surface of the case facing the receiving seat. Done In this configuration, the press-connecting connection portion between the branch press-connecting terminal and the bus bar is clamped and fixed by the seat and the pressing protrusion.
圧接端子における圧接部のＵ字状スロットとブスバーの
位置ズレや角度ズレなどの寸法公差を吸収するために
は、請求項(2)に記載のように、ブスバーガイド溝をも
つブスバーガイド壁を受座に対設することが望ましい。In order to absorb dimensional tolerances such as positional deviation and angular deviation between the U-shaped slot of the press contact portion and the bus bar in the press contact terminal, as described in claim (2), the bus bar guide wall having the bus bar guide groove is received. It is desirable to face the seat.
また、圧接端子とブスバーの圧接に際し、該圧接端子を
受座に安定して着座させるために、請求項(3)に記載の
ように、圧接端子の基板部に圧入片を設け、受座には圧
入溝を設け、この圧入溝に圧入片を押し込んで固定でき
るようにするのが好ましい。Further, when press-contacting the press-connecting terminal and the bus bar, in order to stably seat the press-connecting terminal on the seat, as described in claim (3), a press-fitting piece is provided on the base plate portion of the press-connecting terminal, and the seat is provided. It is preferable to provide a press-fitting groove and press the press-fitting piece into the press-fitting groove so as to be fixed.
以下、本発明の構成及び作用を実施例を示す図面に基づ
いて具体的に説明する。Hereinafter, the configuration and operation of the present invention will be specifically described with reference to the drawings showing an embodiment.
第１図および第２図において、Ａは電気接続箱であっ
て、合成樹脂製の上部ケース１及び下部ケース２の内部
に回路を構成する複数のブスバー３，３′が収容されて
いる。In FIG. 1 and FIG. 2, A is an electric junction box in which a plurality of bus bars 3 and 3 ′ forming a circuit are housed inside an upper case 1 and a lower case 2 made of synthetic resin.
両ケース１，２の外面には、ヒューズ用コネクタ挿着部
やワイヤーハーネス用コネクタ挿着部を形成するための
複数のハウジング４が設けられ、各ハウジングの底部に
は複数のタブ挿着孔５（第２図参照）が開孔してある。A plurality of housings 4 for forming a fuse connector insertion portion and a wire harness connector insertion portion are provided on the outer surfaces of both cases 1 and 2, and a plurality of tab insertion holes 5 are formed at the bottom of each housing. (See FIG. 2) is opened.
ブスバーの巾は、回路の電流容量により広狭自由に設定
されるが、本実施例では巾狭のブスバー３と巾広のブス
バー３′の二種が示されている。The width of the bus bar can be set wide or narrow depending on the current capacity of the circuit, but in the present embodiment, two types of bus bar 3 of narrow width and bus bar 3'of wide width are shown.
各ブスバー３，３′には、分岐タブ６，６′が起立連成
されており、これらの分岐タブは前記タブ挿着孔５を貫
通してハウジング４内に突出し、前述のコネクタ挿着部
を形成する。また、分岐タブ６，６′には必要に応じて
中継用の雌−雌端子７，７′が嵌挿される。Branch tabs 6 and 6 ′ are erected and coupled to each bus bar 3 and 3 ′, and these branch tabs penetrate the tab insertion holes 5 and project into the housing 4 to form the connector insertion portion described above. To form. Further, female-female terminals 7 and 7'for relaying are fitted into the branch tabs 6 and 6'as required.
符号３1 で示される細巾のブスバーは、その回路面と直
交するブリッジ状の圧接接続片８をもつ。The narrow bus bar indicated by reference numeral 3 1 has a bridge-shaped press-connecting connecting piece 8 orthogonal to the circuit surface thereof.
この圧接接続片８は、下部ケース２の内面における端子
ホルダー１５に支持された分岐用圧接端子９に圧接接続
される。The press-connecting connection piece 8 is press-contacted and connected to the branch press-connecting terminal 9 supported by the terminal holder 15 on the inner surface of the lower case 2.
分岐用圧接端子９は、第３図に示すように、コ字状枠体
として形成した基板部１０の一側縁にＵ字状スロット１
２をもつ圧接部１１を対向して突設すると共に、他側縁
に単数または複数の分岐タブ１３を突設して成る。図は
４極の分岐タブ１３の例であるが、単極であってもよ
い。また、基板部１０の両端の自由縁はＬ形に折曲して
圧入片１４として形成されている。As shown in FIG. 3, the branch press-connecting terminal 9 has a U-shaped slot 1 on one side edge of a substrate portion 10 formed as a U-shaped frame.
The pressure contact portion 11 having 2 is provided so as to face each other, and a single or a plurality of branch tabs 13 are provided at the other side edge. The drawing shows an example of the branch tab 13 having four poles, but a single pole may be used. Further, the free edges at both ends of the substrate portion 10 are bent into an L shape to form the press-fitting pieces 14.
端子ホルダ１５は、分岐用圧接端子９の基板部１０に対
する受座１６と、対向する圧接部１１，１１を外面から
挟み込む一対のブスバーガイド壁１７，１７とから成
る。The terminal holder 15 includes a receiving seat 16 for the substrate portion 10 of the branch pressure contact terminal 9 and a pair of bus bar guide walls 17 and 17 that sandwich the opposing pressure contact portions 11 and 11 from the outer surface.
受座１６は、前記ハウジング４の底部裏面において、タ
ブ挿通孔５を囲むように形成され、コ字状の基板部１０
に嵌入する位置決め突起１６ａと囲い壁１６ｂとから構
成され、囲い壁１６ｂ内の一側には上記圧入片１４に対
する圧入溝１８（第９図参照）が設けられる。The seat 16 is formed on the rear surface of the bottom of the housing 4 so as to surround the tab insertion hole 5 and has a U-shaped base plate portion 10.
It is composed of a positioning projection 16a and an enclosing wall 16b which are fitted into the enclosing wall 16b, and a press-fitting groove 18 (see FIG. 9) for the press-fitting piece 14 is provided on one side of the enclosing wall 16b.
ブスバーガイド壁１７は、中央にブスバーガイド溝１７
ａを有し、該溝１７ａの上端開口部には案内テーパー１
７ｂが設けられている。The bus bar guide wall 17 has a bus bar guide groove 17 at the center.
and a guide taper 1 at the upper end opening of the groove 17a.
7b is provided.
第４図ないし第６図は、圧接接続片８、ブスバーガイド
壁１７及びＵ字状スロット１２の寸法の相互関係を示す
拡大説明図である。4 to 6 are enlarged explanatory views showing the mutual relation of the dimensions of the press-connecting connection piece 8, the bus bar guide wall 17 and the U-shaped slot 12.
圧接接続片８の厚さをｔ、ブスバーガイド溝１７ａの間
隔をｗ1 ，Ｕ字状スロット１２の圧接刃１２ａ，１２ａ
の間の間隔をｗ2 とし、これらが ｗ1 ≧ｔ＞ｗ2 の関係を満たすように形成すると共に、案内テーパー１
７ｂの下端部ｐ1 を圧接刃１２ａの入口端部ｐ2 よりも
若干高く形成する。The thickness of the pressure contact piece 8 is t, the interval between the bus bar guide grooves 17a is w 1 , and the pressure contact blades 12a and 12a of the U-shaped slot 12 are arranged.
The distance between them is w 2, and they are formed so as to satisfy the relationship of w 1 ≧ t> w 2 and the guide taper 1
The lower end portion p 1 of 7b is formed slightly higher than the inlet end portion p 2 of the press contact blade 12a.
これにより、圧接接続片８が圧接刃１２ａよりも先にブ
スバーガイド溝１７ａないし案内テーバー１７ｂに当接
し、圧接接続片８とＵ字状スロット１２の寸法公差が吸
収される。As a result, the press contact connecting piece 8 contacts the bus bar guide groove 17a or the guide tab 17b before the press contact blade 12a, and the dimensional tolerance between the press contact connecting piece 8 and the U-shaped slot 12 is absorbed.
一方、端子ホルダー１５と対向する上部ケース１の内面
には、一対のブスバーガイド壁１７，１７間に進入する
押圧突起１９が突設される。On the other hand, the inner surface of the upper case 1 facing the terminal holder 15 is provided with a pressing protrusion 19 protruding between the pair of bus bar guide walls 17, 17.
第７図は第２図におけるブスバー３1 の圧接接続片８と
分岐用圧接端子９の圧接部分の拡大断面図、第８図は第
７図のVIII−VIII線断面図、第９図は第７図の上部ケー
ス１を除いた平面図を示す。FIG. 7 is an enlarged cross-sectional view of the pressure-contacting connecting piece 8 of the bus bar 3 1 and the pressure-contacting portion of the branch pressure-contacting terminal 9 in FIG. 2, FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG. 7, and FIG. FIG. 7 shows a plan view excluding the upper case 1 of FIG. 7.
これらの図において、圧接端子９の分岐タブ１３はタブ
挿通孔５を貫通してハウジング４に突出し、その基板部
１０は端子ホルダ１５内の受座１６に着座し、位置決め
突起１６ａにより仮固定され、圧入片１４を圧入溝１８
に押し込むことにより安定化する。In these drawings, the branch tab 13 of the press contact terminal 9 penetrates the tab insertion hole 5 and projects into the housing 4, and the board portion 10 thereof is seated on the receiving seat 16 in the terminal holder 15 and temporarily fixed by the positioning projection 16a. , Press-fitting piece 14 and press-fitting groove 18
Stabilize by pushing into.
この状態で、ブスバー３1 の圧接接続片８をブスバーガ
イド壁１７，１７間にかけ渡し、ブスバーガイド溝１７
ａ上にセットする。In this state, it passes the pressure connection piece 8 of the bus bar 3 1 sieved between bus bar guide walls 17, 17, bus bar guide groove 17
Set on a.
次いで、下部ケース２に対して上部ケース１を被せて押
し付けると、その押圧突起１９が圧接接続片８を押し下
げ、該片８はＵ字状スロット１２内に進入し、圧接刃１
２ａにより弾性的に圧接接続され、圧接端子９とブスバ
ー３1 との分岐接続が達成される。Next, when the upper case 1 is covered and pressed against the lower case 2, the pressing projection 19 pushes down the pressure contact connecting piece 8, the piece 8 enters into the U-shaped slot 12, and the pressure contact blade 1
2a elastically press-connects and the press-connecting terminal 9 and the bus bar 3 1 are branched and connected.
この分岐接続状態において、圧接端子９の基板部１０と
圧接部１１とは、上部ケース１の押圧突起１９と下部ケ
ース２と受座１６とに上下から挟持固定されるから、分
岐タブ１３にコジリなどの外力が作用しても、ブスバー
３1 （圧接接続片８）との圧接部分には影響せず、安定
な接続状態が保持される。In this branch connection state, the base plate portion 10 and the press contact portion 11 of the press contact terminal 9 are clamped and fixed from above and below by the pressing protrusion 19 of the upper case 1, the lower case 2 and the receiving seat 16, so that the branch tab 13 is twisted. Even if an external force such as the above acts, the pressure contact portion with the bus bar 3 1 (pressure contact connection piece 8) is not affected, and a stable connection state is maintained.
また、圧接接続片８の圧入に際し、該片８とＵ字状スロ
ット１２間の中心にズレがあっても、第４図ないし第６
図について説明したように、ブスバーガイド壁１７のガ
イド溝１７ａにより公差吸収がなされるから、圧接刃１
２ａの弾性域で安定した接触圧が得られる。Further, when the press-connecting connecting piece 8 is press-fitted, even if there is a deviation between the center of the press-connecting connecting piece 8 and the U-shaped slot 12, FIGS.
As described with reference to the drawings, since the tolerance is absorbed by the guide groove 17a of the bus bar guide wall 17, the press contact blade 1
A stable contact pressure can be obtained in the elastic region of 2a.
さらに、圧接端子９は、前述したように、上部ケース１
と下部ケース２により挟持固定されるから、第１０，１
１図の従来例のように分岐タブｂを必ずしも圧入固定す
る必要はない。しかし、圧接端子９に基板部１０の端部
を利用して圧入片１４を設けることにより、従来と同程
度の保持力を付与することができ、この圧入片１４の部
分を第３図に示すように電流確保のための巾ｌ′として
利用し端子の全長Ｌ′も従来のそれと比較してＬ′＜Ｌ
とし、小型化することもできる。Further, the press contact terminal 9 is, as described above, the upper case 1
Since it is clamped and fixed by the lower case 2 and the lower case 2,
It is not always necessary to press-fit and fix the branch tab b as in the conventional example of FIG. However, by providing the press-fitting terminal 14 with the press-fitting piece 14 by utilizing the end portion of the substrate part 10, it is possible to give the same degree of holding force as in the conventional case. The press-fitting piece 14 is shown in FIG. In this way, it is used as the width l'to secure the current, and the total length L'of the terminal is L '<L
And, it can be miniaturized.
以上は、端子ホルダ１５を下部ケース２に設けた例につ
いて説明したが、上部ケース１にも適用できることはい
うまでもない。The example in which the terminal holder 15 is provided in the lower case 2 has been described above, but it goes without saying that the terminal holder 15 can also be applied to the upper case 1.
以上説明したように、本発明によれば、分岐用圧接端子
の分岐タブに外力が作用してもブスバーとの圧接接続部
分に影響がなく、また圧接端子とブスバーの圧接に際し
て寸法公差を吸収し、安定した接触圧を得ることができ
る。さらに、圧接端子の基板部に圧入片を設けることに
より、ブスバーとの圧接に先だって圧接端子を安定化で
き、電気接続箱の組立が容易になる。As described above, according to the present invention, even if an external force acts on the branch tab of the branch pressure contact terminal, the pressure contact connection portion with the bus bar is not affected, and the dimensional tolerance is absorbed during the pressure contact between the pressure contact terminal and the bus bar. A stable contact pressure can be obtained. Further, by providing the press-fitting piece on the base plate portion of the press-connecting terminal, the press-connecting terminal can be stabilized prior to press-contacting with the bus bar, and the electric connection box can be easily assembled.
第１図は本発明の電気接続箱におけるブスバーと分岐用
圧接端子との接続構造を示す分解斜視図、 第２図は第１図の要部の組立状態の断面図、 第３図は第１図の端子ホルダ１５の部分の拡大斜視図、 第４図ないし第６図は第１図における圧接接続片８、ブ
スバーガイド壁１７及びＵ字状スロット１２の寸法の相
互関係を示す拡大説明図、 第７図は第２図におけるブスバー３1 の圧接接続片８と
分岐用圧接端子９と圧接部分の拡大断面図、 第８図は第７図のVIII−VIII線断面図、 第９図は第７図の上部ケース１を除いた状態の平面図、 第１０図は従来の分岐用圧接端子の説明図、 第１１図は同上の分岐用圧接端子を用いた電線との分岐
接続構造を示す断面図、 第１２図は従来のブスバーと圧接端子の接続構造を示す
説明図である。 Ａ……電気接続箱、１……上部ケース、２……下部ケー
ス、３，３′，３1 ……ブスバー、４……ハウジング、
５……タブ挿通孔、８……圧接接続片、９……分岐用圧
接端子、１０……基板部、１１……圧接部、１２……Ｕ
字状スロット、１３……分岐タブ、１４……圧入片、１
５……端子ホルダ、１６……受座、１７……ブスバーガ
イド壁、１７ａ……ブスバーガイド溝、１８……圧入
溝。FIG. 1 is an exploded perspective view showing a connection structure between a bus bar and a pressure contact terminal for branching in an electric junction box of the present invention, FIG. 2 is a sectional view of an assembled state of a main part of FIG. 1, and FIG. FIG. 4 to FIG. 6 are enlarged perspective views of the terminal holder 15 in the figure, and FIGS. 4 to 6 are enlarged explanatory views showing the mutual relation of the dimensions of the press-connecting connection piece 8, the bus bar guide wall 17 and the U-shaped slot 12 in FIG. Figure 7 is an enlarged sectional view of the branch solderless terminals 9 and part pressed with pressure connection piece 8 of the bus bar 3 1 in FIG. 2, FIG. 8 is sectional view taken along line VIII-VIII of Figure 7, Figure 9 is a FIG. 7 is a plan view of the state excluding the upper case 1, FIG. 10 is an explanatory view of a conventional branch press-connecting terminal, and FIG. 11 is a cross-sectional view showing a branch connection structure with an electric wire using the branch press-connecting terminal of the same. FIG. 12 is an explanatory view showing a conventional connection structure between a bus bar and a pressure contact terminal. A ... Electric junction box, 1 ... Upper case, 2 ... Lower case, 3,3 ', 3 1 ... Bus bar, 4 ... Housing,
5 ... Tab insertion hole, 8 ... Press-connecting piece, 9 ... Branch press-connecting terminal, 10 ... Board part, 11 ... Press-connecting part, 12 ... U
Character-shaped slot, 13 ... Branch tab, 14 ... Press-fitting piece, 1
5 ... Terminal holder, 16 ... Seat, 17 ... Busbar guide wall, 17a ... Busbar guide groove, 18 ... Press-fit groove.
Claims (3)
複数のブスバーを収容すると共に、両ケースの少なくと
も一方の底部にタブ挿通孔を有するハウジングを設け、
前記タブ挿通孔に分岐用圧接端子の一側に設けた分岐タ
ブを貫挿して前記ハウジング内に突出させることにより
コネクタ挿着部を形成し、前記圧接端子の他側に設けた
圧接部のＵ字状スロットに所望の前記ブスバーを圧入接
続する構造をもつ電気接続箱において、 前記分岐用圧接端子が、基板部と、該基板部の一側縁か
ら相対向して突設されたＵ字状スロットをもつ圧接部
と、他側縁から突設された単数または複数の分岐タブと
で構成され、前記ハウジングの底部の内面には前記基板
部に対する受座が形成され、前記受座と対向するケース
の内面には押圧突起が形成されており、 前記分岐用圧接端子とブスバーとの圧接接続部分が前記
受座と押圧突起とにより挟持固定されていることを特徴
とする電気接続箱におけるブスバーと分岐用圧接端子の
接続構造。1. A housing having a plurality of bus bars forming a circuit in an upper case and a lower case, and a housing having a tab insertion hole at the bottom of at least one of the cases,
A connector tab is formed by inserting a branch tab provided on one side of the pressure contact terminal for branching into the tab insertion hole and projecting into the housing, and U of the pressure contact portion provided on the other side of the pressure contact terminal is formed. In an electrical connection box having a structure for press-fitting and connecting the desired bus bar to a U-shaped slot, the branch press-connecting terminal has a U-shape protruding from a substrate portion and one side edge of the substrate portion so as to face each other. It is composed of a press-contact portion having a slot and one or a plurality of branch tabs protruding from the other side edge, and a receiving seat for the base plate portion is formed on the inner surface of the bottom portion of the housing and faces the receiving seat. A press projection is formed on the inner surface of the case, and a press contact connection portion between the branch press contact terminal and the bus bar is clamped and fixed by the seat and the press projection, and a bus bar in the electrical connection box. Pressure welding for branch The connection structure of the child.
ド溝をもつブスバーガイド壁が対設されている請求項
(1)の接続構造。2. A bus bar guide wall having a bus bar guide groove is provided opposite to a seat of the branch pressure contact terminal.
Connection structure of (1).
Ｌ形に折曲して圧入片を形成すると共に、前記受座に圧
入溝を設け、前記圧入片を圧入溝に押し込んで前記分岐
用圧接端子を受座に固定する請求項(1)または(2)の接続
構造。3. A press-fitting piece is formed by bending a free end portion of a base plate portion of the branch pressure-connecting terminal into an L-shape, and a press-fitting groove is provided in the seat, and the press-fitting piece is pushed into the press-fitting groove. The connection structure according to claim (1) or (2), wherein the pressure contact terminal for branching is fixed to a seat.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1145302A JPH0614475B2 (en) | 1989-06-09 | 1989-06-09 | Connection structure of bus bar and insulation displacement terminal for branch in electric junction box |
| US07/534,564 US5011417A (en) | 1989-06-09 | 1990-06-07 | Structure of connection between bus bar and press-connecting branch terminal in electric connection box |
| CA002018623A CA2018623C (en) | 1989-06-09 | 1990-06-08 | Structure of connection between bus bar and press-connecting branch terminal in electric connection box |
| US07/650,261 US5067905A (en) | 1989-06-09 | 1991-02-04 | Electric connection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1145302A JPH0614475B2 (en) | 1989-06-09 | 1989-06-09 | Connection structure of bus bar and insulation displacement terminal for branch in electric junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0311574A JPH0311574A (en) | 1991-01-18 |
| JPH0614475B2 true JPH0614475B2 (en) | 1994-02-23 |
Family
ID=15382008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1145302A Expired - Lifetime JPH0614475B2 (en) | 1989-06-09 | 1989-06-09 | Connection structure of bus bar and insulation displacement terminal for branch in electric junction box |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5011417A (en) |
| JP (1) | JPH0614475B2 (en) |
| CA (1) | CA2018623C (en) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2563313Y2 (en) * | 1990-08-06 | 1998-02-18 | 矢崎総業株式会社 | Electrical junction box |
| DE4102145A1 (en) * | 1991-01-25 | 1992-07-30 | Bosch Gmbh Robert | FASTENING ARRANGEMENT FOR CONNECTIONS TO IGNITION COILS FOR MOTOR VEHICLES |
| JP2752010B2 (en) * | 1991-06-25 | 1998-05-18 | 矢崎総業株式会社 | Electrical junction box |
| US5295858A (en) * | 1991-12-20 | 1994-03-22 | Sumitomo Wiring Systems, Ltd. | Connecting box for forming branch circuit |
| DE4226509A1 (en) * | 1992-08-11 | 1994-02-17 | Teves Gmbh Alfred | Device for connecting a motor to at least two electrical conductor tracks |
| DE4244064C2 (en) * | 1992-12-24 | 1996-02-29 | Stribel Gmbh | Device for a vehicle |
| US5490794A (en) * | 1993-11-05 | 1996-02-13 | Sumitomo Wiring Systems, Ltd. | Branch joint box |
| JP2929414B2 (en) * | 1994-07-05 | 1999-08-03 | 矢崎総業株式会社 | Electrical junction box |
| EP0700133B1 (en) * | 1994-08-31 | 1999-10-06 | Sumitomo Wiring Systems, Ltd. | Electrical connection box |
| JPH08179885A (en) * | 1994-12-22 | 1996-07-12 | Sharp Corp | Display device |
| JP3006662B2 (en) * | 1994-12-28 | 2000-02-07 | 矢崎総業株式会社 | Electrical junction box |
| EP0722200B1 (en) * | 1995-01-10 | 2001-03-21 | Sumitomo Wiring Systems, Ltd. | Junction box |
| JPH1012338A (en) * | 1996-06-24 | 1998-01-16 | Yazaki Corp | Joint connector |
| JP3042407B2 (en) * | 1996-06-27 | 2000-05-15 | 住友電装株式会社 | Electrical junction box |
| US5715135A (en) * | 1996-08-12 | 1998-02-03 | General Motors Corporation | Electrical distribution center with two-piece insulation assembly |
| DE19716137C1 (en) * | 1997-04-17 | 1998-10-22 | Siemens Ag | Module for connecting actuators and / or sensors |
| JP3673422B2 (en) * | 1999-03-12 | 2005-07-20 | 株式会社オートネットワーク技術研究所 | Branch connection box |
| JP3543713B2 (en) * | 2000-01-20 | 2004-07-21 | 住友電装株式会社 | Electrical junction box |
| JP3988415B2 (en) * | 2001-07-23 | 2007-10-10 | 住友電装株式会社 | Electrical junction box |
| US6545861B1 (en) * | 2001-11-20 | 2003-04-08 | Fci Americas Technology, Inc. | High voltage distribution box with pre-molded lead frame |
| JP3994810B2 (en) * | 2002-07-09 | 2007-10-24 | 住友電装株式会社 | Box with built-in battery fuse |
| DE10323550A1 (en) * | 2003-05-24 | 2004-12-23 | Leoni Bordnetz-Systeme Gmbh & Co Kg | Fuse box for a vehicle |
| JP2006311711A (en) * | 2005-04-28 | 2006-11-09 | Auto Network Gijutsu Kenkyusho:Kk | Switching unit |
| DE202006016320U1 (en) * | 2006-10-25 | 2008-02-28 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | module |
| US7597560B2 (en) * | 2007-07-17 | 2009-10-06 | Gm Global Technology Operations, Inc. | Interface assemblies for use with inverters of vehicles |
| JP5384846B2 (en) * | 2008-04-03 | 2014-01-08 | 矢崎総業株式会社 | Relief terminal structure |
| KR101023885B1 (en) * | 2008-11-27 | 2011-03-22 | 현대자동차주식회사 | Junction box for vehicle |
| JP2011010423A (en) * | 2009-06-24 | 2011-01-13 | Sumitomo Wiring Syst Ltd | Electrical junction box |
| US8523576B2 (en) | 2011-10-24 | 2013-09-03 | GM Global Technology Operations LLC | Connector for coupling an electric motor to a power source |
| US8884169B2 (en) * | 2012-07-02 | 2014-11-11 | Delphi Technologies, Inc. | Circuit assembly |
| US10244621B2 (en) | 2013-08-28 | 2019-03-26 | Ford Global Technologies, Llc | Flex circuit system for a battery assembly of an electrified vehicle |
| US9681571B2 (en) | 2014-02-21 | 2017-06-13 | Wells Manufacturing, L.P. | Electrical connection box and apparatus |
| JP6404258B2 (en) * | 2016-04-26 | 2018-10-10 | 矢崎総業株式会社 | Electrical junction box and wire harness |
| CN215955513U (en) * | 2021-06-07 | 2022-03-04 | 台达电子工业股份有限公司 | Bus group |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601461A (en) * | 1977-05-21 | 1981-10-28 | Amp Inc | Electrical junction box |
| US4429943A (en) * | 1980-11-14 | 1984-02-07 | Tokai Electric Wire Company Limited | Insulation box for wire harness connector device |
| JPS6013413A (en) * | 1983-07-05 | 1985-01-23 | 住友電気工業株式会社 | Device for mutually connecting wire ring harness |
| US4954090A (en) * | 1988-05-31 | 1990-09-04 | Yazaki Corporation | Electric connection box |
-
1989
- 1989-06-09 JP JP1145302A patent/JPH0614475B2/en not_active Expired - Lifetime
-
1990
- 1990-06-07 US US07/534,564 patent/US5011417A/en not_active Expired - Lifetime
- 1990-06-08 CA CA002018623A patent/CA2018623C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311574A (en) | 1991-01-18 |
| US5011417A (en) | 1991-04-30 |
| CA2018623C (en) | 1994-05-03 |
| CA2018623A1 (en) | 1990-12-09 |
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